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58问答库 > 如何将用24伏供电的led灯改为用12伏供电

如何将用24伏供电的led灯改为用12伏供电

2025-03-16 21:00:42

推荐回答（3个）

回答（1）：

12V再加12V不就是24V了吗。复杂点的就是加升压器。

回答（2）：

打算做一个5-6个字的LED灯箱放在大巴汽车上使用全部使用3伏电压的红色LED 汽车电瓶的电压为直流24伏我该如何串联LED管串接多大的电阻谢谢高手指教

回答（3）：

汗…你的灯电阻多大啊？我看你去买个可变电阻，阻值在50~200可调的那种。

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